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The numerous disk florets typically have yellow, 5-lobed corollae. Anther tips manifest as acuminate to triangular. Style tips may be triangular or round and are typically hair-tufted. Fruits are less than 5 mm (0.2 in) across, cylindric to obovoid in shape, and black or gray in color. The pappus may present awns or scales, or infrequently neither.
Individuals growing along the coast may have fleshy leaves. Between March and May, the hairy stems are topped by inflorescences of flower heads, 2–2.5 cm (3 ⁄ 4 –1 in) across, [1] with hairy phyllaries. The head contains many yellow disc florets with a fringe of about 10 small ray florets. [1]
Flowers appear April to May at the end of each stem in a group, or umbel, of 2 to 6, occasionally only 1. The flowers are 5–13 mm (0.2–0.5 in) long, with 3 yellow petals and 3 yellow sepals spreading outwards. The flowers will open in the morning but typically wilt in the hot afternoon sun.
Tecoma stans is a semi-evergreen shrub or small tree, growing up to 10 m (30 ft) tall. [1] It features opposite odd-pinnate green leaves, with 3 to 13 serrate, 8- to 10-cm-long leaflets. The leaflets, glabrous on both sides, have a lanceolate blade 2–10 cm long and 1–4 cm wide, with a long acuminate apex and a wedge-shaped base.
Mammillaria elongata, the gold lace cactus or ladyfinger cactus, is a species of flowering plant in the family Cactaceae, native to central Mexico. Growing to 15 cm (6 in) tall by 30 cm (12 in) wide, it consists of densely packed clusters of elongated oval stems, covered in harmless (although very sharp) yellow or brown spines, and in spring producing white or yellow flowers.
'Strawburst Yellow', patented as 'Stabur Yel', is a form with large bright yellow flower heads averaging around 6.3 cm (2.5 in) in diameter. The result of a planned breeding program in Gilroy, California , it was bred by Jason Jandrew of Goldsmith Seeds from a lemon yellow-flowered form crossed with a yellow-flowered form in 2005.
Trifolium campestre, commonly known as hop trefoil, [1] field clover [2] and low hop clover, is a species of flowering plant native to Europe and western Asia, growing in dry, sandy grassland habitats, fields, woodland margins, roadsides, wastelands and cultivated land. The species name campestre means "of the fields".
Yellow to white, pistillate ray flowers and yellow, perfect disc florets are characteristic of Solidago inflorescences, which have a wide range of shapes. [4] Molecular studies [ 8 ] [ 6 ] using nuclear rDNA have hypothesized boundaries on the genus Solidago , but there have been difficulties in parsing out evolutionary relationships at the sub ...